MESON Chess Problem Database

Problem Display
PID: 203415 (3r4/N2R4/8/4p1p1/2Bnk1K1/4p3/4p3/8 w - - 0 1)

van Nieuwenkuijk, G

Noord-Hollandsch Dagblad, 1924

3r4/N2R4/8/4p1p1/2Bnk1K1/4p3/4p3/8

#2

4 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Bd3#
    • 1...Sb3
      • 2.Bd3#
    • 1...Sf3
      • 2.Bd3#
    • 1...Sb5
      • 2.Bd3#
    • 1...Sf5
      • 2.Bd3#
    • 1...Sc6
      • 2.Bd3#
    • 1...Se6
      • 2.Bd3#
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sc3#
        • 2.Sd6#
      • 1...Rxd7
        • 2.Sc3#
      • 1...Sxb5
        • 2.Bd3#
      • 1...e1Q
        • 2.Sd6#
      • 1...e1B
        • 2.Sd6#
      • 1...Sc2
        • 2.Sc3#
        • 2.Bd3#
      • 1...Sb3
        • 2.Sc3#
        • 2.Bd3#
      • 1...Sf3
        • 2.Sc3#
        • 2.Bd3#
      • 1...Sf5
        • 2.Sc3#
        • 2.Bd3#
      • 1...Sc6
        • 2.Sc3#
        • 2.Bd3#
      • 1...Se6
        • 2.Sc3#
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • S(c);::B(A)
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • R(g);XR(D)::S(C)
      • S(c);XS(C)::B(A)
      • P(a);::S(C)
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